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Synthesis of conducting polyaniline/TiO 2 composite nanofibres by one‐step in situ polymerization method
Author(s) -
Bian Chaoqing,
Yu Yijun,
Xue Gi
Publication year - 2006
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.25636
Subject(s) - polyaniline , materials science , thermogravimetric analysis , cyclic voltammetry , composite number , in situ polymerization , polymerization , conductive polymer , conductivity , anatase , fourier transform infrared spectroscopy , chemical engineering , scanning electron microscope , titanium dioxide , transmission electron microscopy , polymer chemistry , composite material , electrochemistry , nanotechnology , polymer , chemistry , electrode , organic chemistry , photocatalysis , catalysis , engineering
Conducting polyaniline (PANI)/titanium dioxide (TiO 2 ) composite nanofibres with an average diameter of 80–100 nm were prepared by one‐step in situ polymerization method in the presence of anatase nano‐TiO 2 particles, and were characterized via Fourier‐transform infrared spectra, UV/vis spectra, wide‐angle X‐ray diffraction, thermogravimetric analysis, and transmission electron microscopy, as well as conductivity and cyclic voltammetry. The formation mechanism of PANI/TiO 2 composite nanofibres was also discussed. This composite contained ∼ 65% conducting PANI by mass, with a conductivity of 1.42 S cm −1 at 25°C, and the conductivity of control PANI was 2.4 S cm −1 at 25°C. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 2007
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